Reboxetine impurities refer to any unwanted or unintended substances that may be present in reboxetine, a prescription medication used to treat depression. These impurities can be the result of various factors, such as manufacturing processes, storage conditions, or contamination. Therefore, it is important to identify and quantify these impurities to ensure the safety and efficacy of the medication for patients. Regulatory agencies have established guidelines and limits for the allowable levels of reboxetine impurities in pharmaceutical products.